Search

Your search keyword '"Zhi-wei Ma"' showing total 5 results
Start Over Author "Zhi-wei Ma" Journal cheminform
5 results on '"Zhi-wei Ma"'

1. ChemInform Abstract: Thiourea-Catalyzed Asymmetric Conjugate Addition of α-Substituted Cyanoacetates to Maleimides

Author

Hai-long Du, Jing-Chao Tao, Ya Wu, Weimin Shi, Bin Sun, and Zhi-wei Ma

Subjects
Addition reaction, chemistry.chemical_compound, Enantiopure drug, Thiourea, Chemistry, General Medicine, Medicinal chemistry, Pyrrole derivatives, Catalysis, Conjugate
Abstract

Enantiopure isosteviol-derived tertiary amine-thiourea (THI) is proven to be effective in catalyzing the asymmetric conjugate addition between α-substituted cyanoacetates (I) and maleimides (II).

Published
2013
Full Text
View/download PDF

3. ChemInform Abstract: A Highly Efficient Large-Scale Asymmetric Michael Addition of Isobutyraldehyde to Maleimides Promoted by a Novel Multifunctional Thiourea

Author

Pan-li Li, Yu Zhu, Hang Ren, Jing-Chao Tao, Zhi-wei Ma, and Yu-Xia Liu

Subjects
inorganic chemicals, organic chemicals, General Medicine, Pyrrole derivatives, chemistry.chemical_compound, Thiourea, chemistry, Organocatalysis, health occupations, polycyclic compounds, Michael reaction, Organic chemistry, heterocyclic compounds, Isobutyraldehyde
Abstract

The new chiral thiourea TUC bearing a chiral lipophilic beyerane scaffold and a primary amino group, catalyzes the asymmetric Michael addition between aliphatic aldehydes and different maleimides (I) with only 0.5 mol % loading.

Published
2012
Full Text
View/download PDF

4. ChemInform Abstract: Highly Enantioselective Michael Additions of Isobutyraldehyde to Nitroalkenes Promoted by Amphiphilic Bifunctional Primary Amine-Thioureas in Organic or Aqueous Medium

Author

Mingsheng Tang, Zhi-wei Ma, Yan Tao, Jing-Chao Tao, Yu Zhu, Wenjing Zhang, and Yu-Xia Liu

Subjects
chemistry.chemical_compound, Primary (chemistry), chemistry, Aqueous medium, Organocatalysis, Amphiphile, Enantioselective synthesis, Organic chemistry, Amine gas treating, General Medicine, Bifunctional, Isobutyraldehyde
Abstract

The novel organocatalyst (I) is effective in the reaction of isobutyraldehyde (III) with nitroalkenes to afford the (S)-products (V).

Published
2012
Full Text
View/download PDF

5. ChemInform Abstract: Polymer-Supported Palladium Complexes with C,N-Ligands as Efficient Recoverable Catalysts for the Heck Reaction

Author

Jun Jia, Jing-Chao Tao, Chuanchuan Wang, Yu-Xia Liu, Zhi-wei Ma, and Meng-lin Huang

Subjects
chemistry.chemical_compound, chemistry, Heck reaction, Iodobenzene, Polymer chemistry, chemistry.chemical_element, General Medicine, Polymer supported, Catalysis, High turnover, Palladium
Abstract

New polymer-supported palladium complexes with C,N-ligands are easily synthesized and applied efficiently for the Heck reaction of iodobenzene and butylacrylate with high turnover frequencies up to 12 600.

Published
2010
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results